Memory Positioning Systems: Service Precautions

Trouble diagnosis precaution
- When carrying out the IVMS control unit input/output signal inspection, be sure to connect the checking adapter III (special service tool) to prevent incorrect diagnosis.
- With the battery connected, if each local control unit (LCU) connector is left disconnected for at least 1 minute, the IVMS control unit stores a communication inactive failure. After reconnecting the connector, any of the following steps shall be done. "Disconnect the IVMS control unit battery power supply" or "Using CONSULT-II, execute Erase memory".